using ANX.Framework.Content.Pipeline.Tasks;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Text;

namespace ANX.ContentCompiler.GUI.Converters
{
    class ImporterConverter : StringConverter
    {
        private ImporterManager importerManager = new ImporterManager();

        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        {
            if (sourceType == typeof(string))
            {
                return true;
            }
            return base.CanConvertFrom(context, sourceType);
        }

        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            return base.CanConvertTo(context, destinationType);
        }

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            //From real name to display name.
            if (value is string)
            {
                return importerManager.GetImporterDisplayName((string)value);
            }

            return base.ConvertTo(context, culture, value, destinationType);
        }

        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            //From display name to real name.
            if (value is string)
            {
                return importerManager.GetImporterName((string)value);
            }

            return base.ConvertFrom(context, culture, value);
        }

        public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
        {
            return true;
        }

        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
        {
            return true;
        }

        public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
        {
            return new StandardValuesCollection(importerManager.AvailableImporters.Select((x) => x.Key).ToArray());
        }
    }
}